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https://issues.apache.org/jira/browse/SPARK-19088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-19088.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.2.0
Issue resolved by pull request 16541
[https://github.com/apache/spark/pull/16541]
> Optimize sequence type deserialization codegen
> ----------------------------------------------
>
> Key: SPARK-19088
> URL: https://issues.apache.org/jira/browse/SPARK-19088
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Michal Šenkýř
> Assignee: Michal Šenkýř
> Priority: Minor
> Labels: performance
> Fix For: 2.2.0
>
>
> Sequence type deserialization codegen added in [PR
> #16240|https://github.com/apache/spark/pull/16240] should use a proper
> builder instead of a conversion (using {{to}}) to avoid an additional pass.
> This will require an additional {{MapObjects}}-like operation that will use
> the provided builder instead of building an array.
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